<template>
  <div class="cart">
    <!--导航-->
    <nav-bar class="nav-bar">
      <div slot="center">购物车({{ length }})</div>
    </nav-bar>

    <!--商品列表-->
    <cart-list></cart-list>

    <!--底部汇总-->
    <cart-bottom-bar></cart-bottom-bar>

  </div>
</template>

<script>
import NavBar from "@/components/common/navbar/NavBar";
import CartList from "@/views/cart/childComps/CartList";
import CartBottomBar from "@/views/cart/childComps/CartBottomBar";


import {mapGetters} from 'vuex'

export default {
  name: "Cart",
  components: {
    NavBar,
    CartList,
    CartBottomBar,
  },
  computed: {
    //mapGetters 辅助函数仅仅是将 store 中的 getter 映射到局部计算属性
    //方法一
    // ...mapGetters([
    //   'cartLength',
    // ]),

    //方法二
    ...mapGetters({
      length: 'cartLength',
    })


    // cartLength() {
    //   return  this.$store.getters.cartLength;
    // },
  },
}
</script>

<style scoped>
.cart{
  height: 100vh;
}


.nav-bar {
  background-color: var(--color-tint);
  color: #fff;
  font-size: 18px;
}
</style>
